Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. Every office link was opened and checked against the office's own site between September 24, 2026 and September 30, 2026.
Ada County, Idaho, has about 536,000 residents (2024 Census Bureau estimate). Its court cases are filed in the Ada County District Court and the Magistrate Division, and the file of each case, kept by the Clerk of the District Court, is the public record of it. This guide says which court hears what, where to look a case up and who keeps the files.
This guide covers the courts, the records page, criminal cases, kinds of files, directory links, cities and common questions.
Related guides: Ada County public records, Ada County arrest records, Ada County warrants, Ada County inmate search, Ada County criminal records, Idaho arrest records and Idaho inmate search.
The Courts That Hear Cases from Ada County
In Ada County, the Ada County District Court hears felonies, civil cases over $10,000 and appeals from the magistrate division.
Below it, the Magistrate Division takes misdemeanors, traffic cases, small claims, probate and divorces.
Divorces go to the Magistrate Division of the District Court, and the file stays with the Clerk of the District Court.
The Clerk of the District Court keeps the files, and a copy of anything in a file comes from that office, under the court's own rules rather than the Idaho Public Records Act.
Looking Up a Case from Ada County
The court records page SearchSystems verified for the county is at adacounty.id.gov/clerk/courts (page title: Courts | Ada County Clerk), phone 208-287-6900, 200 W Front St Boise ID 83702, Monday through Friday 8 a.m. to 5 p.m., which answered when SearchSystems opened it on September 24, 2026.
Statewide, iCourt Portal is the Idaho courts' free statewide case search.
The Idaho court page SearchSystems verified is at isc.idaho.gov.
What Reaches the Court from Ada County
Together, the four agencies in Ada County with all twelve months of 2025 on file reported 9,391 arrests to the FBI that year; the Prosecuting Attorney decides which of those arrests become cases in the Ada County District Court or the Magistrate Division.
The Prosecuting Attorney's page SearchSystems verified is at adacounty.id.gov/prosecutor/about-us/meet-the-prosecutor (page title: Meet the Prosecutor | Ada County Prosecutor), phone 208-287-7700, which answered when SearchSystems opened it on September 30, 2026.
The Kinds of Court Files
The court file is one record with several readers: a criminal case from the arrest to the sentence, a divorce from the petition to the judgment, a traffic ticket from the citation to the conviction the court reports to the Idaho Transportation Department Division of Motor Vehicles, and an eviction or a lien on land.
The other Ada County guides take the kinds of file one at a time: Ada County criminal records, Ada County divorce records, Ada County traffic tickets, Ada County DUI and Ada County property records.
More Official Court Pages for Ada County
The SearchSystems directory, online since 1997, lists the official pages for Ada County and Idaho. These court pages from its Ada County listing were opened again on October 2, 2026 and each one still answers:
- Ada County Court Calendar (apps.adacounty.id.gov)
Cities in Ada County
Wherever in the county a case arises, it is filed in the Ada County District Court or the Magistrate Division.
SearchSystems has a guide to the offices of these cities in Ada County, with the 2024 Census Bureau population; a city with its own court records guide opens there:
- Boise City (237,963)
- Eagle (33,451)
- Kuna (29,127)
- Star (18,208)
- Garden City (12,936)
Frequently Asked Questions
How do I look up a court case in Ada County?
The court records page SearchSystems verified for the county is at adacounty.id.gov/clerk/courts, phone 208-287-6900. Statewide, iCourt Portal is the Idaho courts' free statewide case search.
Which court hears felonies in Ada County?
The Ada County District Court, which hears felonies, civil cases over $10,000 and appeals from the magistrate division. The Magistrate Division takes misdemeanors, traffic cases, small claims, probate and divorces.
Who keeps the court records in Ada County?
The Clerk of the District Court. Copies come from that office under the court's own rules.
Is there a statewide court case search in Idaho?
Yes: iCourt Portal, the Idaho courts' free statewide case search.
Is this the official Ada County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.